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a75553c8 | 1 | /* Declarations for variables relating to reading the source file. |
2 | Used by parsers, lexical analyzers, and error message routines. | |
71e45bc2 | 3 | Copyright (C) 1993, 1997, 1998, 2000, 2003, 2004, 2007, 2008, 2009, 2010, |
4 | 2011, 2012 Free Software Foundation, Inc. | |
a75553c8 | 5 | |
f12b58b3 | 6 | This file is part of GCC. |
a75553c8 | 7 | |
f12b58b3 | 8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
8c4c00c1 | 10 | Software Foundation; either version 3, or (at your option) any later |
f12b58b3 | 11 | version. |
a75553c8 | 12 | |
f12b58b3 | 13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
a75553c8 | 17 | |
18 | You should have received a copy of the GNU General Public License | |
8c4c00c1 | 19 | along with GCC; see the file COPYING3. If not see |
20 | <http://www.gnu.org/licenses/>. */ | |
a75553c8 | 21 | |
5a8a92a0 | 22 | #ifndef GCC_INPUT_H |
23 | #define GCC_INPUT_H | |
6fcedfa3 | 24 | |
fdfe4b3f | 25 | #include "line-map.h" |
9c85a98a | 26 | |
931b0a0f | 27 | extern GTY(()) struct line_maps *line_table; |
ceec9c13 | 28 | |
9c85a98a | 29 | /* A value which will never be used to represent a real location. */ |
30 | #define UNKNOWN_LOCATION ((source_location) 0) | |
31 | ||
fdfe4b3f | 32 | /* The location for declarations in "<built-in>" */ |
af4d2883 | 33 | #define BUILTINS_LOCATION ((source_location) 1) |
34 | ||
35 | /* line-map.c reserves RESERVED_LOCATION_COUNT to the user. Ensure | |
36 | both UNKNOWN_LOCATION and BUILTINS_LOCATION fit into that. */ | |
37 | extern char builtins_location_check[(BUILTINS_LOCATION | |
38 | < RESERVED_LOCATION_COUNT) ? 1 : -1]; | |
fdfe4b3f | 39 | |
fdfe4b3f | 40 | extern expanded_location expand_location (source_location); |
5a983084 | 41 | extern const char * location_get_source_line(expanded_location xloc); |
39107655 | 42 | extern expanded_location expand_location_to_spelling_point (source_location); |
db30b351 | 43 | extern source_location expansion_point_location_if_in_system_header (source_location); |
fdfe4b3f | 44 | |
9c85a98a | 45 | /* Historically GCC used location_t, while cpp used source_location. |
46 | This could be removed but it hardly seems worth the effort. */ | |
47 | typedef source_location location_t; | |
6fcedfa3 | 48 | |
5a8a92a0 | 49 | extern location_t input_location; |
fdfe4b3f | 50 | |
51 | #define LOCATION_FILE(LOC) ((expand_location (LOC)).file) | |
52 | #define LOCATION_LINE(LOC) ((expand_location (LOC)).line) | |
97bfb9ef | 53 | #define LOCATION_COLUMN(LOC)((expand_location (LOC)).column) |
5169661d | 54 | #define LOCATION_LOCUS(LOC) \ |
55 | ((IS_ADHOC_LOC(LOC)) ? get_location_from_adhoc_loc (line_table, LOC) : (LOC)) | |
56 | #define LOCATION_BLOCK(LOC) \ | |
57 | ((tree) ((IS_ADHOC_LOC (LOC)) ? get_data_from_adhoc_loc (line_table, (LOC)) \ | |
58 | : NULL)) | |
fdfe4b3f | 59 | |
9c85a98a | 60 | #define input_line LOCATION_LINE (input_location) |
61 | #define input_filename LOCATION_FILE (input_location) | |
97bfb9ef | 62 | #define in_system_header_at(LOC) \ |
63 | ((linemap_location_in_system_header_p (line_table, LOC))) | |
bdbc474b | 64 | #define in_system_header (in_system_header_at (input_location)) |
6fcedfa3 | 65 | |
e77b8253 | 66 | void dump_line_table_statistics (void); |
67 | ||
5a8a92a0 | 68 | #endif |